Stintino is a coastal comune situated in the Metropolitan City of Sassari within the Italian region of Sardinia. It is located approximately 35 kilometres (22 mi) northwest of Sassari and about 200 kilometres (120 mi) north of Cagliari.
As a municipality, Stintino serves as a coastal destination on the island's western coast. It is defined by its geographical position within the province of Sassari, providing access to the Sardinian coastline.